Structure and characteristics of platform software: According to the idea of software platform and open application, the software system is developed in two layers. Dephi is the development language of the underlying platform, and Microsoft SQL Server is the support of the underlying database. Provide tools such as "form design, query design, scheme design, data maintenance design, data table design, resource module definition, role management, user management, user-defined print report design", and users can develop and design industrial applications by themselves. The development of industry application platform can be rapidly developed and adjusted according to the needs of different industries and enterprises. All application layer codes are open to customers, which is convenient for product technology transfer, independent application development of enterprises and continuous improvement of their own applications.